Streamlining Success - How we went from prototyping an SDK to serving billions of customers

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" summary

Stream explains how a Chat product grows from a prototype SDK into production libraries that serve billions of users by building UI SDKs for web, Android (Jetpack Compose), Flutter, React Native and servers, shipping a Compose-based SDK on day one of Compose 1.0 as a beta, proving reusability across platforms, and hitting backend numbers like 5 million concurrent users in one channel, 99.9999% availability, ~5 ms edge latency and unlimited message storage; development time halves and adoption is twice as fast with Compose prototype applied to other SDKs and 10% of customers on new SDKs giving feedback.

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" chapters (8)

1. 0:00Introduction and team
2. 1:53Problem Stream solved
3. 6:24From feeds to chat SDK
4. 15:08Startup development challenges
5. 19:23Building Compose SDK
6. 28:55Framework for future SDKs
7. 40:28Results and metrics
8. 41:30Resources and closing